diff options
author | Felix Fietkau <nbd@openwrt.org> | 2012-06-15 03:04:52 +0200 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2012-06-19 20:56:24 +0200 |
commit | 76591bea9714a58d8924154068c78d702eb2cb17 (patch) | |
tree | a86298c07fb07dd53aaf4147a282cc2b06495c1a | |
parent | ath9k: Fix softlockup in AR9485 (diff) | |
download | linux-76591bea9714a58d8924154068c78d702eb2cb17.tar.xz linux-76591bea9714a58d8924154068c78d702eb2cb17.zip |
ath9k: fix a tx rate duration calculation bug
The rate pointer variable for a rate series is used in a loop before it is
initialized. This went unnoticed because it was used earlier for the RTS/CTS
rate. This bug can lead to the wrong PHY type being passed to the
duration calculation function.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Cc: stable@kernel.org
Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r-- | drivers/net/wireless/ath/ath9k/xmit.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index d59dd01d6cde..efb7f00f3561 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1001,13 +1001,13 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf, } /* legacy rates */ + rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx]; if ((tx_info->band == IEEE80211_BAND_2GHZ) && !(rate->flags & IEEE80211_RATE_ERP_G)) phy = WLAN_RC_PHY_CCK; else phy = WLAN_RC_PHY_OFDM; - rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx]; info->rates[i].Rate = rate->hw_value; if (rate->hw_value_short) { if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) |